Weaverville, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 39.9 °F (low) to 69.5 °F (high). Annual precipitation averages 38.2 Inches. Weaverville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.6 °F | 47.9 °F | 6.93 in. |
| February | 31.9 °F | 53.5 °F | 5.78 in. |
| March | 33.7 °F | 59.1 °F | 5.02 in. |
| April | 36.3 °F | 65.9 °F | 2.63 in. |
| May | 42.2 °F | 75.1 °F | 1.71 in. |
| June | 47.0 °F | 84.0 °F | 0.98 in. |
| July | 53.2 °F | 93.5 °F | 0.24 in. |
| August | 51.6 °F | 93.0 °F | 0.14 in. |
| September | 45.8 °F | 86.9 °F | 0.36 in. |
| October | 38.7 °F | 72.7 °F | 1.88 in. |
| November | 35.1 °F | 55.7 °F | 4.45 in. |
| December | 31.4 °F | 46.2 °F | 8.09 in. |
| Annual | 39.9 °F | 69.5 °F | 38.21 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |